1 /* 2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. 3 * Copyright (C) 2008 Collabora, Ltd. All rights reserved. 4 * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies) 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef PluginDatabase_H 29 #define PluginDatabase_H 30 31 #include "PlatformString.h" 32 #include "PluginPackage.h" 33 #include "StringHash.h" 34 35 #include <wtf/HashSet.h> 36 #include <wtf/Vector.h> 37 38 #if defined(ANDROID_PLUGINS) 39 namespace android { 40 class WebSettings; 41 } 42 #endif 43 44 namespace WebCore { 45 class Element; 46 class Frame; 47 class IntSize; 48 class KURL; 49 class PluginDatabaseClient; 50 class PluginPackage; 51 52 typedef HashSet<RefPtr<PluginPackage>, PluginPackageHash> PluginSet; 53 54 class PluginDatabase : public Noncopyable { 55 public: 56 PluginDatabase(); 57 58 // The first call to installedPlugins creates the plugin database 59 // and by default populates it with the plugins installed on the system. 60 // For testing purposes, it is possible to not populate the database 61 // automatically, as the plugins might affect the DRT results by 62 // writing to a.o. stderr. 63 static PluginDatabase* installedPlugins(bool populate = true); 64 65 bool refresh(); 66 void clear(); 67 Vector<PluginPackage*> plugins() const; 68 bool isMIMETypeRegistered(const String& mimeType); 69 void addExtraPluginDirectory(const String&); 70 71 static bool isPreferredPluginDirectory(const String& directory); 72 static int preferredPluginCompare(const void*, const void*); 73 74 PluginPackage* findPlugin(const KURL&, String& mimeType); 75 PluginPackage* pluginForMIMEType(const String& mimeType); 76 void setPreferredPluginForMIMEType(const String& mimeType, PluginPackage* plugin); 77 setPluginDirectories(const Vector<String> & directories)78 void setPluginDirectories(const Vector<String>& directories) 79 { 80 clear(); 81 m_pluginDirectories = directories; 82 } 83 setClient(PluginDatabaseClient * client)84 void setClient(PluginDatabaseClient* client) 85 { 86 m_client = client; 87 } 88 89 static Vector<String> defaultPluginDirectories(); pluginDirectories()90 Vector<String> pluginDirectories() const { return m_pluginDirectories; } 91 92 String MIMETypeForExtension(const String& extension) const; 93 94 private: 95 void getPluginPathsInDirectories(HashSet<String>&) const; 96 void getDeletedPlugins(PluginSet&) const; 97 98 // Returns whether the plugin was actually added or not (it won't be added if it's a duplicate of an existing plugin). 99 bool add(PassRefPtr<PluginPackage>); 100 void remove(PluginPackage*); 101 102 Vector<String> m_pluginDirectories; 103 HashSet<String> m_registeredMIMETypes; 104 PluginSet m_plugins; 105 HashMap<String, RefPtr<PluginPackage> > m_pluginsByPath; 106 HashMap<String, time_t> m_pluginPathsWithTimes; 107 108 #if defined(ANDROID_PLUGINS) 109 // Need access to setPluginDirectories() to change the default 110 // path after startup. 111 friend class ::android::WebSettings; 112 #endif 113 HashMap<String, RefPtr<PluginPackage> > m_preferredPlugins; 114 PluginDatabaseClient* m_client; 115 }; 116 117 } // namespace WebCore 118 119 #endif 120